The eco environment in eastern Gansu province is fragile and the soil erosion is serious.
陇东地区生态环境脆弱、水土流失严重。
The observational Results of well water level in eastern Gansu province and its Adjacent zone during 1984~1996 are recommended, and the harmonic analysis results of 6 well level are given.
介绍了甘肃省东部及其相邻的西海固地区1984～1996年间6口深井的水位观测结果及其调和分析结果。
Suitable for in the eastern part of Gansu Province, northern Shaanxi, such as arid, semi-arid region of barren hills and wasteland to promote model.
适于在甘肃东部、陕西北部等干旱、半干旱荒山荒地区域大力推广示范。
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